Number Sequence Calculator — Arithmetic & Geometric

Choose sequence type, first term, difference/ratio and n to get nth term and sum.

Examples

What is the difference?

Arithmetic adds a constant; geometric multiplies by a constant.

Calculate percentages, find what percent one number is of another, and track percentage c…

Solve complex math problems instantly with our free online scientific calculator, featuri…

Easily add, subtract, multiply, and divide fractions. Get the simplified fractional resul…

Simplify any ratio A:B to its lowest terms.

Solve for the missing value in a proportion A:B = C:D.